Cracks Books is a unique phrase that is often used to describe someone who is an avid reader. However, there are several antonyms that can be used to describe the opposite of cracking books. These include words like idle, lazy, indifferent, and uninterested. If a person is idle, they are not actively engaged in reading or any other meaningful activity. Those who are lazy and uninterested may prefer to spend their time doing nothing or engaging in activities that do not require much mental effort. In contrast, those who crack books are enthusiastic and passionate about expanding their knowledge and learning new things.